Drone Camera Focal Length Calculation (JEE Mains) | ExamDuo
Magnificatio and Power of a LensMedium
Drone Camera Focal Length Calculation
A photograph of a landscape is captured by a drone camera at a height of 18 km. The size of the camera film is 2 cm × 2 cm and the area of the landscape photographed is 400 km2. The focal length of the lens in the drone camera is :